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Industrial Chemical Engineering and Organic Chemical Technology
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Industrial Chemical Engineering and Organic Chemical Technology

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Chemical and Molecular Sciences".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1765

Special Issue Editors

Prof. Dr. Rafael Bailón-Moreno

E-Mail Website
Guest Editor
Department Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Spain
Interests: chemical engeering
Prof. Dr. Josefa Nuñez-Olea

E-Mail Website
Guest Editor
Department of Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Spain
Interests: wastewater treatment industry; drinking water purification; surface physical chemistry; detergent products and emulsions
Dr. Manuela Lechuga

E-Mail Website
Guest Editor
Department of Chemical Engineering, Faculty of Sciences, University of Granada, 18071 Granada, Spain
Interests: toxicity; environmental assessment; emerging contaminants; surfactants; skin irritation, modelization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Industrial chemical engineering and organic chemical technology primarily focus on the development of sustainable raw materials and process improvements to minimise environmental impacts. The organic chemicals market is experiencing growth in sectors such as pharmaceuticals and cosmetics, driven by the demand for more sustainable products and new chemical applications. One approach is the development and application of green solvents, which offer less toxic, and more energy-efficient alternatives compared with traditional solvents. The industry is also exploring sustainable routes to producing chemicals like ethylene and propylene, basic raw materials for many organic chemicals, which can potentially reduce reliance on fossil fuels and bring us closer to closing the carbon cycle. Additionally, advanced technologies are being explored to treat and reuse water produced from crude oil extraction, aiming to develop fewer polluting methods. Overall, within the concept of green chemistry, there is a shift towards integrating new technologies and methods that are not only technically effective but also environmentally and economically viable, aiming for a broader adoption of sustainable practices in the global chemical industry.

Prof. Dr. Rafael Bailón-Moreno
Prof. Dr. Josefa Nuñez-Olea
Dr. Manuela Lechuga
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Applied Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable raw materials
  • sustainable products
  • reduction in fossil fuels
  • produced water
  • green solvents
  • pharmaceuticals
  • cosmetics
  • ethylene
  • propylene, green chemistry

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Published Papers (2 papers)

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Research

15 pages, 3401 KiB  
Article
The Development of a Novel Aluminosilicate Catalyst Fabricated via a 3D Printing Mold for Biodiesel Production at Room Temperature
by Selene Díaz-González, Karina Elvira Rodríguez and Laura Díaz
Appl. Sci. 2025, 15(3), 1094; https://doi.org/10.3390/app15031094 - 22 Jan 2025
Viewed by 532
Abstract
Biodiesel production has gained attention as a sustainable alternative to fossil fuels, but challenges related to catalyst recovery and energy consumption remain. In this study, a novel lithium-impregnated aluminosilicate catalyst (LiSA) was developed using a 3D-printed mold, providing precise control over its structure [...] Read more.
Biodiesel production has gained attention as a sustainable alternative to fossil fuels, but challenges related to catalyst recovery and energy consumption remain. In this study, a novel lithium-impregnated aluminosilicate catalyst (LiSA) was developed using a 3D-printed mold, providing precise control over its structure to optimize performance. The structured catalyst featured a cylindrical shape with multiple circular channels, enhancing fluid dynamics and reactant interaction in a fixed-bed reactor. Catalyst characterization by SEM, TGA, XRD, and ICP-MS confirmed high thermal stability and uniform pore distribution. Jatropha curcas oil was used as feedstock, with diethyl ether (DEE) acting as a cosolvent to improve methanol solubility and enable transesterification at room temperature. The process achieved a high fatty acid methyl ester (FAME) yield, averaging 97.1% over 508 min of continuous operation, demonstrating the catalyst’s stability and sustained activity. By reducing mass transfer limitations and energy demands, this approach highlights the potential of 3D-printed catalysts to advance sustainable biodiesel production, offering a scalable and efficient pathway for green energy technologies. Full article
(This article belongs to the Special Issue Industrial Chemical Engineering and Organic Chemical Technology)
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14 pages, 3368 KiB  
Article
Depolymerization of Kraft Lignin Using a Metal Chloride-Based Deep Eutectic Solvent: Pathways to Sustainable Lignin Valorization
by Shubho Ghosh, Masud Rana and Jeong-Hun Park
Appl. Sci. 2024, 14(24), 11571; https://doi.org/10.3390/app142411571 - 11 Dec 2024
Viewed by 758
Abstract
Driven by the urgent need for sustainable alternatives to fossil fuels, the focus on the exploration of lignocellulosic biomass, particularly lignin, as a promising renewable feedstock for biofuels and high-value chemicals has intensified. This study investigated the depolymerization of KL using a DES [...] Read more.
Driven by the urgent need for sustainable alternatives to fossil fuels, the focus on the exploration of lignocellulosic biomass, particularly lignin, as a promising renewable feedstock for biofuels and high-value chemicals has intensified. This study investigated the depolymerization of KL using a DES comprising ChCl and ZnCl2. Our analysis systematically focused on the effects of reaction temperature, time, and the DES-to-lignin ratio on the yields and characteristics of the products. Optimal KL depolymerization was observed at a temperature of 190 °C and a duration of 8 h, yielding a maximum liquid product yield of 54.44% and RL yield of 45.56%. The results revealed that increasing the reaction temperature enhanced the depolymerization process owing to a reduction in the viscosity of the DES, which improved mass transfer and interactions with lignin. Under these optimal conditions, the molecular weight of the bio-oil was considerably lower (Mw = 1498 g/mol and Mn = 1061 g/mol) than that of the bio-oil obtained without DES treatment (Mw = 1872 g/mol and Mn = 1259 g/mol), indicating a more favorable molecular weight distribution with DES treatment. Furthermore, elemental analysis revealed a reduction in the O, N, and S contents of the RL following DES treatment, increasing the high heating value from 24.82 MJ kg−1 for the non-DES-treated RL to 26.44 MJ kg−1 for the DES-treated RL. These findings underscore the potential of the (ChCl:ZnCl2) DES as a sustainable and effective medium for lignin valorization, paving the way for the synthesis of high-quality biofuels and chemicals from lignocellulosic biomass. Full article
(This article belongs to the Special Issue Industrial Chemical Engineering and Organic Chemical Technology)
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